in the blur that i can remember is lots of traumatic amputations and people in a lot of pain. >> neil: we're getting different reports, doctor, that some were runners or spectators, there is was mass confusion, when you were trying to help, anyone and everyone needed your help but how many people do you think in the end you were tending to? >> i only helped a couple of people but in terms of how many injured there were, it had to be in the -- in the immediate area, 50, 60, between the two bomb spots. >> neil: amazing. doctor, i'm sure -- you sound like a modest guy. press accounts of you, i'm sure you saved a lot of lives or prevent what could have been even more distressing injuries. thank you, doctor, for taking the time. >> sure, thanks. >> neil: i want to update you on something going on.